DAO Pattern

What is DAO Pattern? I want to learn the DAO Pattern. Any simple tutorial for beginners other than the sun site. Please provide sample/example coding of what is DAO Pattern.

I think DAO Pattern is used for Database. If I want to add a employee ID and Employee name into the database. How to design this simple thing in the DAO Pattern. What are the advantages of using DAO Pattern. Please give me some direction in it.

Originally posted by Mark Henryson: What is DAO Pattern? I want to learn the DAO Pattern. Any simple tutorial for beginners other than the sun site. Please provide sample/example coding of what is DAO Pattern.